Sounds like the chance you took by eating at King Buffet by Staples in Ames when it was open.
I think someone posted this here in another thread once: Restaurant inspection update: moldy food, rodents and immediate closures - Iowa Capital Dispatch
I have not ate at the first one on the list in over 2 years and I am not sure I will ever go back there after reading that. Jack Trice Stadium made the list too